Mitsubishi Grandis. Manual - part 234

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-398

Step 11. Connector check: C-219 ETACS-ECU 
connector

Q: Is the check result normal?

YES : 

Go to Step 12.

NO : 

Repair the defective connector.

AC310651

AD

Connector: E-02 <LHD>             

Harness side

AC310655

AE

Connector: E-02 <RHD>             

Harness side

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-399

Step 12. Check the wiring harness from C-219 
ETACS-ECU connector terminal No.5 to E-02 
room lamp connector terminal No.8.

NOTE: 

Prior to the wiring harness inspection, check 
intermediate connector E-11 and junction block 
connector C-211, and repair if necessary.

• Check the earth wires for open circuit.

Q: Is the check result normal?

YES : 

Replace the room lamp.

NO : 

Repair the wiring harness.

AC310626

Connector: C-219

Junction block (Rear view)

<LHD>

AB

Junction block side

AC310620

Connector: C-219

Junction block 
(Rear view)

<RHD>

AB

Junction block side

AC310651

AD

Connector: E-02 <LHD>             

Harness side

AC310655

AE

Connector: E-02 <RHD>             

Harness side

AC310623

AC310623

Connector: C-211

AQ

<LHD>

Junction block (Front view)

Harness side

3

1

2

AC310618

AC310618

Connector: C-211 <RHD>

AS

Harness side

Junction block (Front view)

3

1

2

AC310651

AC310651

AH

Connector: E-11 <LHD>             

AC310655

AC310655

AI

Connector: E-11 <RHD>             

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-400

Inspection Procedure P-3: The rear personal lamp does not illuminate normally. <Vehicles with 
keyless entry system>

CAUTION

Whenever the ECU is replaced, ensure that the 
input and output signal circuits are normal.

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-401

COMMENTS ON TROUBLE SYMPTOM

If the rear personal lamps do not illuminate or 
extinguish normally, wiring harness connector(s) or 
the bulb may be defective.

POSSIBLE CAUSES

• Malfunction of the interior lamp switches

• Malfunction of the room lamp bulbs

• Malfunction of the rear personal lamp bulbs

• Damaged harness wires and connectors

ETACS-ECU

J/B SIDE

ROOM LAMP

INTERIOR
LAMP
SWITCH

REAR
PERSONAL
LAMP

FOR
SECOND
SEAT: LH

REAR
PERSONAL
LAMP

FOR
SECOND
SEAT: RH

REAR
PERSONAL
LAMP

FOR
THIRD
SEAT: LH

REAR PERSONAL LAMP
(FOR THIRD SEAT: RH)

Wire colour code
B : Black     LG : Light green     G : Green     L : Blue     W : White     Y : Yellow     SB : Sky blue
BR : Brown     O : Orange     GR : Gray     R : Red     P : Pink     V : Violet

Room Lamp and Rear Personal Lamp Circuit